I too would like to see a beetle with adjustable inner pivots done to a stock IRS pan. I would do this in the future when my car is a weekend/warrior only as currently it is a daily driver in the summer
My rear is lowered to the point that if I had the stock snubbers for a '74, I would be riding on them
I've cut mine down to about half the height and I have acceptable travel. I have -1.15 deg on the drivers side and -1.28 on the passengers side and it corners beautifully.
Sandeep